<template>
  <view class="app login">
    <!-- 页面内容开始 -->
    <view class="content">
      <!-- 头部logo -->
      <view class="header"><image class="logo" :src="logoImage"></image></view>
      <!-- 主体表单 -->
      <view class="form-view">
        <view class="form-item form-border">
          <!-- 文本框 -->
          <input
            class="form-input"
            v-model="form1.username"
            type="text"
            :maxlength="50"
            placeholder="用户名/手机号"
            placeholder-style="'color':'#8e8e8e'"
          />
        </view>
        <view class="form-item form-border">
          <!-- 文本框 -->
          <input
            class="form-input"
            v-model="form1.password"
            type="password"
            placeholder="密码"
            placeholder-style="'color':'#8e8e8e'"
          />
        </view>
      </view>
      <view class="login-btn">
        <button
          class="btn success circle"
          hover-class="hover"
          @click="login"
          :plain="false"
          type="success"
          shape="circle"
          :hair-line="false"
        >
          登 录
        </button>
      </view>

      <!-- 底部信息 -->
      <view class="footer">
        <u-checkbox-group>
          <u-checkbox @change="changeAgreement" v-model="rememberChecked">
            记住密码
          </u-checkbox>
        </u-checkbox-group>
        <navigator url="../custom/register" open-type="navigate">
          注册账号
        </navigator>
      </view>
    </view>
  </view>
</template>

<script>
let vk = uni.vk;
export default {
  data() {
    // 页面数据变量
    return {
      // init请求返回的数据
      data: {},
      // 表单请求数据
      form1: {
        username: "",
        password: "",
      },
      rememberChecked: false,
      scrollTop: 0,
      logoImage: "/static/logo.png",
    };
  },
  onPageScroll(e) {
    this.scrollTop = e.scrollTop;
  },
  // 监听 - 页面每次【加载时】执行(如：前进)
  onLoad(options) {
    vk = uni.vk;
    this.options = options;
    this.init(options);
  },
  // 监听 - 页面【首次渲染完成时】执行。注意如果渲染速度快，会在页面进入动画完成前触发
  onReady() {},
  // 监听 - 页面每次【显示时】执行(如：前进和返回) (页面每次出现在屏幕上都触发，包括从下级页面点返回露出当前页面)
  onShow() {
    // #ifdef MP-WEIXIN
    uni.hideHomeButton();
    // #endif
  },
  // 监听 - 页面每次【隐藏时】执行(如：返回)
  onHide() {},
  // 监听 - 页面下拉刷新
  onPullDownRefresh() {
    setTimeout(() => {
      uni.stopPullDownRefresh();
    }, 1000);
  },
  // 监听 - 点击右上角转发时
  onShareAppMessage(options) {},
  // 函数
  methods: {
    // 页面数据初始化函数
    init(options = {}) {
      console.log("init: ", options);
      const { rememberChecked, rememberLoginForm } = vk.getVuex("baseData");
      console.log("rememberChecked", rememberChecked);
      console.log("rememberLoginForm", rememberLoginForm);
      this.rememberChecked = rememberChecked;
      if (rememberChecked) {
        Object.assign(this.form1, rememberLoginForm);
      }
    },
    changeAgreement({ value }) {
      vk.setVuex("baseData.rememberChecked", value);
    },

    pageTo(path) {
      vk.navigateTo(path);
    },
    // 账号密码登录
    login() {
      let that = this;
      const { username, password } = that.form1;
      if (username.length < 4) {
        vk.toast("账号至少4位数", "none");
        return;
      }
      if (!vk.pubfn.test(password, "pwd")) {
        vk.toast(
          "密码以字母开头，长度在6~18之间，只能包含字母、数字和下划线",
          "none"
        );
        return;
      }
      // 登录操作
      let form1 = that.form1;
      vk.userCenter.login({
        data: form1,
        //loading:false,
        success: (data) => {
          console.log("data", data);
          vk.toast("登录成功");
          vk.getVuexStore().dispatch("baseData/getClassificationData");
          if (that.rememberChecked) {
            vk.setVuex("baseData.rememberLoginForm", {
              username: that.form1.username,
              password: that.form1.password,
            });
          } else {
            vk.setVuex("baseData.rememberLoginForm", {
              username: "",
              password: "",
            });
          }
          setTimeout(() => {
            // 跳转到首页,或页面返回
            that.login_success(data);
          }, 1000);
        },
      });
    },
    login_success(data) {
      let that = this;
      // 检查是否有指定跳转的页面

      // 兼容uniIdRedirectUrl
      if (this.options.uniIdRedirectUrl) {
        let uniIdRedirectUrl = decodeURIComponent(
          this.options.uniIdRedirectUrl
        );
        if (uniIdRedirectUrl) {
          vk.navigate.setOriginalPage(null);
          vk.redirectTo(uniIdRedirectUrl);
          return;
        }
      }
      if (vk.navigate.getOriginalPage()) {
        vk.navigate.originalTo();
        return false;
      }
      // 跳转到首页,或页面返回
      let pages = getCurrentPages();
      if (
        pages.length > 1 &&
        pages[pages.length - 2] &&
        pages[pages.length - 2].route &&
        pages[pages.length - 2].route.indexOf("login/index") == -1
      ) {
        const eventChannel = that.getOpenerEventChannel();
        eventChannel.emit("loginSuccess", {});
        vk.navigateBack();
      } else {
        // 进入首页
        vk.navigateToHome();
      }
    },
    // 第三方登录 - 微信
    login_weixin() {
      let that = this;
      vk.userCenter.loginByWeixin({
        success: (data) => {
          vk.toast("登录成功");
          setTimeout(() => {
            // 跳转到首页,或页面返回
            that.login_success(data);
          }, 1000);
        },
      });
    },
  },
  // 计算属性
  computed: {},
};
</script>
<style lang="scss" scoped>
@import url("../css/main.css");

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 2em 3em 0;
}
</style>
